CN107207017B - Vehicle damper - Google Patents
Vehicle damper Download PDFInfo
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- CN107207017B CN107207017B CN201680006663.1A CN201680006663A CN107207017B CN 107207017 B CN107207017 B CN 107207017B CN 201680006663 A CN201680006663 A CN 201680006663A CN 107207017 B CN107207017 B CN 107207017B
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- vehicle body
- center
- sideway
- vehicle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G99/00—Subject matter not provided for in other groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/06—Characteristics of dampers, e.g. mechanical dampers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
- B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/10—Railway vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/05—Attitude
- B60G2400/051—Angle
- B60G2400/0512—Pitch angle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/05—Attitude
- B60G2400/051—Angle
- B60G2400/0513—Yaw angle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/10—Acceleration; Deceleration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/20—Speed
Abstract
A kind of vehicle damper of generation power that can suitably control power generation mechanism is provided.Vehicle damper by partially constituting as follows: buffer (8) is clipped between vehicle body (2) and bogie (3), and makes generation power variation according to from external instruction；And control device (9), it controls power is generated；It is also equipped with the velocity sensor (11) for the travel speed for being able to detect or calculating vehicle (2).Control device (9) includes compound sensor (10), first point in the setting of any position of vehicle body (2) is installed on, so as to detect sideway and/or pitching；Arithmetic unit (12), it is according to the detection or calculated result of velocity sensor (11), the center of the whirling vibration of vehicle body (2) is corrected, and the value detected by compound sensor (10) is corrected based on above-mentioned center.
Description
Technical field
The present invention relates to be adapted to reduce the vehicle damper of vibration of rail truck etc..
Background technique
In general, in the vehicles such as automobile, make to vibrate reduced power generation mechanism from external instruction as basis,
Such as equipped with the changed damping force adjusting buffer of attenuation characteristic.The damping force adjusting buffer is based on being installed on vehicle
Acceleration transducer measured value and controlled (for example, referring to patent document 1).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 9-216508 bulletin
Summary of the invention
The project that invention will solve
However, multiple acceleration transducers are equipped in order to detect various vibration modes in above patent document 1,
Therefore worry that cost increases.Therefore, it using being able to detect 6 axle sensors of 3 axle accelerations and 3 axis angular rates, and has studied pair
The detection of multiple vibration modes, discovery is using 6 axle sensor, even if being equipped with the position of the sensor is not vehicle
The position of centre of gravity (sideway center) of body, also can according to the installation sites of 6 axle sensors and sideway center etc. away from
Leave school positive measured value, thus with 6 axle sensors are installed on to vehicle body position of centre of gravity the case where it is equivalent.
But in the case where rail truck, due to the travel speed and direction of travel of vehicle, sideway center hair
Changing.That is, the speed of vehicle is faster, the vibration relative to direction of travel vehicle body back side is bigger, is accompanied by this, sideway centre bit
It sets also mobile to the front side of vehicle body from the position of centre of gravity of vehicle body.Thus, it is found that following problem: the position of 6 axle sensors and sideway
The distance between center changes corresponding to travel speed and direction of travel, therefore in the position of centre of gravity school based on vehicle body
In the case where the measured value just detected by 6 axle sensors, correct corrected value cannot be obtained, power generation cannot be suitably controlled
The attenuation characteristic of mechanism.
The present invention completes in view of the above problems, can suitably control power the purpose of the present invention is to provide one kind and generate
The vehicle damper of the generation power of mechanism.
Means for solving the problems
In order to solve the above problems, vehicle damper of the invention by partially constituting as follows: power generation mechanism is set to
Vehicle with vehicle body and bogie, and make generation power variation according to from external instruction；Control device, to above-mentioned generation power
It is controlled；Wherein, above-mentioned vehicle damper is also equipped with the traveling for being able to detect or calculating the travel speed of above-mentioned vehicle
Speed detection unit, above-mentioned control device include vehicle body motion detection unit, are installed on any position of above-mentioned vehicle body, by
This is able to detect sideway and/or pitching；Unit is corrected, according to the detection of above-mentioned travel speed detection unit or calculates knot
Fruit is corrected the center of the whirling vibration of above-mentioned vehicle body, and is acted based on above-mentioned center to by above-mentioned vehicle body
The value that detection unit detects is corrected.
Invention effect
In accordance with the invention it is possible to suitably control the generation power of power generation mechanism.
Detailed description of the invention
Fig. 1 is the main view for indicating to apply the rail truck of vehicle damper of first embodiment.
Fig. 2 is the block diagram for indicating the control device in Fig. 1.
Fig. 3 is the block diagram for indicating the control device of second embodiment.
Fig. 4 is the block diagram for indicating the generalized equipment of designing gain scheduling H ∞ controller.
Fig. 5 is the block diagram for indicating the control device of third embodiment.
Fig. 6 is the block diagram for indicating the control device of the 4th embodiment.
Fig. 7 is the main view for indicating to apply the rail truck of vehicle damper of variation.
Specific embodiment
Hereinafter, in case where enumerating the vehicle damper of embodiments of the present invention being installed on rail truck, root
It is described in detail according to apposition attached drawing.In addition, direction shown in arrow A to be set as to the direction of travel of rail truck in Fig. 1
Direction shown in arrow B is set as being illustrated on rear side of the direction of travel of rail truck by front side.
Fig. 1, Fig. 2 shows first embodiments of the invention.In Fig. 1, rail truck 1 (vehicle) has for for example multiplying
Visitor, occupant etc. ride vehicle body 2 and set on the front side of the downside of vehicle body 2 and the bogie 3 of rear side.These bogies 3 are discretely
It is configured at the toe lateral and rear portion side of vehicle body 2, is respectively equipped with four wheels 4 (only diagram left side) in each bogie 3.Rail truck
1 by rotating each wheel 4 on the guide rail 5 (only illustrating a side) of left and right, and along guide rail 5, for example when advancing to arrow A
Direction running driving.
The axis spring for mitigating vibration, impact from wheel 4 (wheel shaft) is equipped between each bogie 3 and each wheel 4
6.In addition, being equipped with the air spring 7 as pillow spring between vehicle body 2 and each bogie 3, and set side by side with air spring 7
There is damping force adjusting buffer 8 (hereinafter referred to as buffer 8).Air spring 7 and buffer 8 are in the left and right of each bogie 3
Two sides are respectively equipped with 2, rail truck 1 it is whole it is total set there are four.
As shown in Figure 1, each buffer 8 be clipped on become be mounted side vehicle body 2 with become road surface side bogie 3 it
Between.The vibration of up and down direction of each buffer 8 for vehicle body 2 relative to bogie 3, generating makes to vibrate reduced damping force.By
This, buffer 8 reduces the vibration of the up and down direction of vehicle body 2.
In this case, each buffer 8 makes decaying special according to the instruction (instruction value) from aftermentioned arithmetic unit 12
Property variation.That is, each buffer 8 for example uses the hydraulic bjuffer of the damping force adjustment type referred to as half active buffer as energy
It enough adjusts separately the cylinder apparatus of respective damping force and constitutes.Specifically, buffer 8 is supplied from aftermentioned arithmetic unit 12
To driving current, so as to adjust the valve opening pressure of control valve (not shown).Buffer 8 can be from rigidity characteristics (hardware features) as a result,
To flexible characteristic (software feature) continuously adjust attenuation characteristic.
In addition, buffer 8 is not limited to continuously adjust attenuation characteristic, can also be set as can with two stages or
Person is adjusted in multiple stages.In addition, buffer 8 is not limited to half active buffer, also can be used can pass through outside
The full active buffer that power adjustment generates power is constituted.In detail if narration, also it can be used and being externally supplied electric power
Driving linear motor and the electromagnetic suspension system for generating power, or work is forcibly supplied towards buffer from the tank for being sealed with working fluid
Fluid is discharged the working fluid from buffer, constitutes so as to adjust the fluid pressure active buffer of generation power.
Control device 9 controls the attenuation characteristic of each buffer 8.That is, control device 9 controls the vibration of vehicle body 2, with each buffering
Device 8 together forms vehicle damper.Moreover, control device 9 is made of compound sensor 10 and arithmetic unit 12.
Compound sensor 10 be installed on vehicle body 2 any position setting first point, constitute the movement to vehicle body 2 into
The vehicle body motion detection unit of row detection.The compound sensor 10 is configured to for example be capable of detecting when 3 axle accelerations and 3 shaft angles speed
6 axle sensors of degree.Therefore, compound sensor 10 is equipped with one to each vehicle (each vehicle body), is capable of detecting when vehicle body 2
Sideway (beat), i.e. yaw velocity ω y1 at first point.In addition, compound sensor 10 is capable of detecting when the first of vehicle body 2
Left and right acceleration aL1 at point.In addition, first point of vehicle body 2 is not limited to the position of centre of gravity of such as vehicle body 2, can set
In the arbitrary position in addition to center of gravity.In addition, compound sensor 10 can also be set to aftermentioned arithmetic unit 12.Moreover, by
The value that compound sensor 10 detects is output to aftermentioned arithmetic unit 12.Here, buffer 8 shown in Fig. 1, i.e. up and down
In the case where mobile cushioning device, pitching center is mobile from the position of centre of gravity of vehicle body, in the case where left and right moving buffer, in sideway
The heart is mobile from the position of centre of gravity of vehicle body.In addition, in the present embodiment, showing and being installed on using compound sensor 10 in vehicle body
First point of example of 2 any position setting, but such as 2,3 sensors or compound sensor also can be used.
What velocity sensor 11 was configured to the travel speed V1 of vehicle body 2 (rail truck 1) is detected or calculated
Travel speed detection unit.The velocity sensor 11 is not limited to for example directly detect the travel speed of rail truck 1,
It can be detected indirectly according to rotation speed of the wheel 4 measured by wheel speed sensor etc..In addition, in marshalling vehicle, quilt
The travel speed of each rail truck 1 of connection is almost without difference.Therefore, velocity sensor 11 may not necessarily also be set to whole
Vehicle (each vehicle is equipped with one), is detected at this point, also can be used by the velocity sensor for other vehicles for being set to connection
Value.
In addition, velocity sensor 11 detects the direction of travel (F or R) of rail truck 1.In this case, for example
When arrow A direction of the rail truck 1 into Fig. 1 is advanced, velocity sensor 11 can be set as the direction of travel F of rail truck 1 and
Output, when rail truck 1 is advanced to the direction arrow B, velocity sensor 11 can be set as the direction of travel R of rail truck 1 and
Output.
In addition, the direction of travel of rail truck 1 also may be embodied in and be detected by velocity sensor 11 or calculated row
It sails in speed V1.That is, travel speed V1 is for example set as positive number in the case where the direction arrow A into Fig. 1 is advanced, in lower arrow
The direction B is set as negative in the case where advancing, so as to determine the direction of travel of rail truck 1.Moreover, utilizing velocity pick-up
The value that device 11 detects is exported to aftermentioned arithmetic unit 12.In addition, in the present embodiment, control device 9 and speed pass
Sensor 11 is configured at different positions, but also can be configured to store velocity sensor 11 in control device 9.
Arithmetic unit 12 such as being constituted by microcomputer, constitute sideway center is corrected or to by
The corrected correction unit of the value that compound sensor 10 detects.Compound sensor is connected in the input side of arithmetic unit 12
10 with velocity sensor 11.In addition, arithmetic unit 12 outlet side be connected be clipped on it is slow between vehicle body 2 and bogie 3
Rush device 8.Arithmetic unit 12 based on from velocity sensor 11 detection signal, from the detection signal of compound sensor 10, press
It is instructed according to each sampling time, such as by the damping force that empty hook theory (skyhook, empty hook control rule) generates buffer 8
Signal.Then, arithmetic unit 12 is changeably controlled the damping force of each buffer 8 to reduce the whirling vibration of vehicle body 2.And
And arithmetic unit 12 has sideway center correction unit 13 and measured value correction unit 14.
Sideway center correction unit 13 corrects the rotation of vehicle body 2 using the detection or calculated result of velocity sensor 11
Dynamic center, the i.e. sideway center of rotational oscillation.Sideway center correction unit 13 is connected with velocity pick-up in its input side
Device 11 is connected with aftermentioned measured value correction unit 14 in outlet side.Here, such as travel speed of rail truck 1 is faster, relative to
The vibration of 2 rear side of direction of travel vehicle body is bigger.In this case, overall length of the overall length of rail truck 1 (vehicle) than automobile etc.
It is longer, therefore the central point of the faster yaw vibration of travel speed is than the center (position of centre of gravity) of vehicle body 2 more to vehicle body 2
Front side it is mobile.
Therefore, sideway center correction unit 13 is based on the travel speed V1 and traveling side detected by velocity sensor 11
To the value of F (or R), sideway center is calculated from the position of centre of gravity of vehicle body 2, what degree deviated from, carry out sideway center
The correction of position.Specifically, can will be based on (experimental in advance for example in the storage unit (not shown) of arithmetic unit 12
Ground) it the relational mapping of the sideway center of the travel speed of rail truck 1 and direction of travel that finds out and stores.And
And sideway center correction unit 13 passes through based on the travel speed V1 and direction of travel F detected by velocity sensor 11
It is equivalent and referring to the mapping, sideway center can be calculated.
In addition, as other methods, can also store in the storage unit of arithmetic unit 12 to the cross experimentally found out
The arithmetic expression that center of oscillation position is calculated.In this case, sideway center correction unit 13 is by will be by velocity sensor
The 11 travel speed V1 detected and direction of travel F equivalence substitute into the arithmetic expression, can calculate sideway center.Moreover,
Sideway center Ox1 after being corrected by sideway center correction unit 13 is exported to measured value correction unit 14.
Measured value correction unit 14 as left and right acceleration detection value correction unit is based on sideway center, to by compound biography
The value that sensor 10 detects is corrected.Compound sensor 10 and sideway center are connected in the input side of measured value correction unit 14
Position correction portion 13.Moreover, measured value correction unit 14 is based on the sideway centre bit after being corrected by sideway center correction unit 13
Ox1 is set, the left and right acceleration aL1 detected by compound sensor 10 is corrected into sideway center or so acceleration aL2.Tool
For body, measured value correction unit 14 is with the position between sideway center Ox1 and be equipped with compound sensor 10 first point
Relationship, for example, according to sideway center Ox1 be equipped with the distance between first point of compound sensor 10, at the first point
Left and right acceleration aL1 be corrected into the left and right acceleration aL2 at the Ox1 of sideway center.
Then, it is tested the sideway center after magnitude correction unit 14 corrects or so acceleration aL2 and by composite sensing
The sensor position yaw velocity ω y1 that device 10 detects is exported to attenuation characteristic control unit 15.In attenuation characteristic control unit
In 15, based on left and right acceleration aL2 and yaw velocity ω y1, the target attenuation force of each buffer 8 is calculated and output order
Value.Then, target attenuation force of the arithmetic unit 12 based on calculated each buffer 8 supplies driving electricity to each buffer 8 respectively
Flow and adjust the damping force of each buffer 8.Control device 9 can reduce vibration (pendulum of the vehicle body 2 relative to left and right directions as a result,
It is dynamic).
The vehicle damper of present embodiment is with structure as described above, next, the control to rail truck 1 fills
The vibration damping control that 9 are carried out is set to be illustrated.
In the case where rail truck 1 is with arrow A direction running of the low speed into Fig. 1, sideway center becomes vehicle body 2
Position of centre of gravity.It in this case, can be according to the installation site (first point) of compound sensor 10 and sideway center
The measured value of compound sensor 10 is corrected into the value at the position of centre of gravity (sideway center) of vehicle body 2 by distance.
However, in the case where rail truck, due to travel speed is faster, relative to the vibration of direction of travel vehicle body back side
It is bigger, therefore be accompanied by this, sideway center is also mobile from the position of centre of gravity of vehicle body to the front side of vehicle body 2.Therefore, compound biography
The distance between the position of sensor 10 and sideway center change according to travel speed, and existing cannot correctly correct by multiple
The problem of closing the measured value that sensor 10 detects.
In addition, acceleration transducer for example is arranged in the front side of vehicle body and rear side, thus, it is possible to measure the vibration of the sideway of vehicle body
It is dynamic.But at this point, such as acceleration transducer is separately installed in the front side of vehicle body and rear side etc. like that, acceleration passes
The installation site of sensor is restricted, in addition to this, it is necessary to which multiple acceleration transducers are installed on vehicle body.In addition, it is also necessary to
It is arranged the wiring etc. of acceleration transducer and arithmetic unit connection, therefore there are problems that cost increase.
Therefore, in the present embodiment, the arithmetic unit 12 for being installed on rail truck 1 is used according to rail truck 1
Travel speed and direction of travel are corrected the structure of (calculating) to sideway center.In addition, arithmetic unit 12 is with each
The defined control period executes control program, to control each buffer 8 and reduce the vibration (swing) of vehicle body 2.Hereinafter, specific
Ground is illustrated.
Firstly, being installed on travel speed V1 and direction of travel of the velocity sensor 11 by rail truck 1 of rail truck 1
F is exported to arithmetic unit 12.In addition, the compound sensor 10 will be equipped with by being installed on the compound sensor 10 of rail truck 1
Left and right acceleration aL1 and yaw velocity ω y1 at first point is exported to arithmetic unit 12.
Next, the sideway center correction unit 13 of arithmetic unit 12 based on the travel speed V1 of rail truck 1 and
Direction of travel F is corrected (calculating) to sideway center.Specifically, sideway center correction unit 13 is referring to storage
List (mapping) in the sideway center of the storage unit of arithmetic unit 12, based on the travel speed V1 of rail truck 1 with
And direction of travel F, sideway center is corrected.
Sideway center Ox1 after being corrected from sideway center correction unit 13 is exported to measured value correction unit 14.
Then, measured value correction unit 14 according to sideway center Ox1 be equipped with the distance between first point of compound sensor 10,
Left and right acceleration aL2 left and right acceleration aL1 at first point being corrected at the Ox1 of sideway center.
Then, arithmetic unit 12 is based on by the calculated left and right acceleration aL2 of measured value correction unit 14 and yaw velocity
ω y1, in order to reduce vehicle body 2 left and right directions vibration (swing) and calculate separately the targets of four buffers 8 of vehicle body 2
Damping force.Then, target attenuation force of the arithmetic unit 12 based on calculated each buffer 8 supplies to each buffer 8 drive respectively
Streaming current, so as to adjust the damping force of each buffer 8.Reduce the vibration (swing) of the left and right directions of vehicle body 2 as a result,.
In this way, according to first embodiment, the arithmetic unit 12 for being installed on vehicle body 2 can be based on the traveling of rail truck 1
Speed V1 and direction of travel F, R calculate sideway center Ox1.Then, arithmetic unit 12 being capable of appointing based on vehicle body 2
The distance between compound sensor 10 and sideway center Ox1 for installing at first point of meaning, the left and right at the first point is added
Speed aL1 is corrected into the left and right acceleration aL2 at the Ox1 of sideway center.
Even if the travel speed V1 of rail truck 1 increases as a result, sideway center changes from the position of centre of gravity of vehicle body 2,
Also with compound sensor 10 is installed on to variation sideway center Ox1 the case where it is equivalent.It therefore, can be compound using one
Sensor 10 accurately detects the movement of the left and right directions of vehicle body 2, therefore is able to use the compound of a small number of (such as one)
Sensor 10 suitably controls the attenuation characteristic of buffer 8.
In addition, can be improved compound in vehicle body 2 due to that compound sensor 10 can be installed on arbitrary position
The installation freedom degree of sensor 10.Moreover, being equipped with a compound sensor for being able to detect multiple vibration modes in vehicle body 2
10.It is therefore not necessary to install multiple acceleration transducers for being used to detect various vibration modes in vehicle body 2, cost can be reduced.
Next, Fig. 3 and Fig. 4 show second embodiment of the present invention.Second embodiment is characterized in that, is made
Buffer is controlled with gain scheduling H ∞ controller.In addition, in this second embodiment, to above-mentioned first embodiment phase
Same constituent element marks same reference numerals, and the description thereof will be omitted.
Control device 21 controls the attenuation characteristic of each buffer 8.That is, control device 21 controls the vibration of vehicle body 2, delay with each
It rushes device 8 and together forms vehicle damper.Moreover, control device 21 is made of compound sensor 10 and arithmetic unit 22.
Arithmetic unit 22 such as being constituted by microcomputer, constitute sideway center is corrected or to by
The corrected correction unit of the value that compound sensor 10 detects.Compound sensor is connected in the input side of arithmetic unit 22
10 with velocity sensor 11.In addition, arithmetic unit 22 outlet side be connected be clipped on it is slow between vehicle body 2 and bogie 3
Rush device 8.Moreover, arithmetic unit 22 has aftermentioned scheduling parameter arithmetic unit 23 (hereinafter referred to as SP arithmetic unit 23) and gain tune
Spend (the Gain Scheduled H-infinity Control 24 of H ∞ controller 24；Hereinafter referred to as GSH ∞ controller 24).
SP arithmetic unit 23 based on the travel speed V2 and direction of travel F (or R) detected by velocity sensor 11, if
Degree of setting the tone parameter θ (hereinafter referred to as parameter θ) calculates sideway corresponding with travel speed V2 etc. center.Therefore, SP is transported
Device 23 is calculated to constitute identically as the sideway center correction unit 13 of such as first embodiment.
The generalized equipment based on shown in Fig. 4 of GSH ∞ controller 24 and design, based on from the left side that compound sensor 10 exports
Right acceleration aL3 and yaw velocity ω y2, the parameter θ exported from SP arithmetic unit 23, the control to target attenuation force is become
Device output carries out operation.
Here, generalized equipment, which has, makes iron in view of sideway center changes this point according to travel speed V2 etc.
The device model 25 that road vehicle 1 models.The device model 25 is based on being calculated according to travel speed V2 and direction of travel F, R
Parameter θ building, by GSH ∞ controller 24 carry out feedback control.Moreover, generalized equipment is with corresponding with controller output
Control input, interfere with track irregularity and air force corresponding exogenous disturbances, from the control amount of the output of device model 25,
Observed quantity (such as left and right acceleration aL3 and yaw velocity ω y2).By solving H ∞ control to that above generalized equipment
Problem processed, and acquire GSH ∞ controller 24.
As a result, GSH ∞ controller 24 is based on the left and right acceleration aL3 exported from compound sensor 10 and yaw angle speed
The parameter θ spending ω y2, exporting from SP arithmetic unit 23 calculates the target decaying for for example making the control amount of device model 25 become smaller
Power.Then, target attenuation force of the arithmetic unit 22 based on calculated each buffer 8 supplies driving electricity to each buffer 8 respectively
Stream, thus adjusts the damping force of each buffer 8.Reduce the vibration (swing) of the left and right directions of vehicle body 2 as a result,.
At this point, GSH ∞ controller 24 is updated often by parameter θ.Therefore, using updated GSH ∞ controller 24,
Control rail truck 1 corresponding with device model 25.
In this way, in this second embodiment, being also the same as the above first embodiment, it is able to use a small number of (such as one)
Compound sensor 10 suitably control the attenuation characteristic of buffer 8.That is, in this second embodiment, in the row of rail truck 1
Sail speed V2 increase and sideway center from the position of centre of gravity of vehicle body 2 change when, be based on and such sideway center pair
The parameter θ answered constructs device model 25.Therefore, GSH ∞ is designed by using the generalized equipment comprising device model 25
Controller 24, GSH ∞ controller 24 are able to carry out and the sideway center according to the travel speed V2 of rail truck 1 correction vehicle body 2
Position and the operation same based on the sideway center correction left and right acceleration aL3 after correction.
In addition to this, GSH ∞ controller 24 can change gain based on parameter θ.Therefore, GSH ∞ controller 24 being capable of base
In the sideway center as parameter θ, the attenuation characteristic of buffer 8 is controlled so that vehicle body 2 becomes desired movement.
In addition, in this second embodiment, compound sensor 10 can be also installed on to the arbitrary position of vehicle body 2, because
This can be improved the installation freedom degree of compound sensor 10.Also, it is multiple for detecting various vibration moulds without being installed in vehicle body 2
The acceleration transducer of formula can reduce cost.
In addition, in this second embodiment, being illustrated by taking GSH ∞ controller 24 as an example.But the present invention not office
Be limited to this, for example, can be applied to Optimal Control, H ∞ control etc. various model libraries control.
Next, Fig. 5 shows third embodiment of the present invention.Third embodiment is characterized in that, in addition to railway
Except the travel speed and direction of travel of vehicle, also based on the car information in the marshalling vehicle for being linked with multiple vehicles to sideway
Center is corrected.In addition, in the third embodiment, being marked to the constituent element being the same as the above first embodiment
Same reference numerals, and the description thereof will be omitted.
Control device 31 controls the attenuation characteristic of each buffer 8.That is, control device 31 controls the vibration of vehicle body 2, delay with each
It rushes device 8 and together forms vehicle damper.Moreover, control device 31 is made of compound sensor 10 and arithmetic unit 33.
Car information acquisition unit 32 constitutes can obtain expression vehicle body 2 in the marshalling vehicle for being linked with multiple vehicles
Play the car information acquisition unit of the car information of which number vehicle in the past in this way.The car information acquisition unit 32 is for example by non-volatile
Property memory etc. as various storage devices constitute, constitute organize into groups vehicle when, the car information of each vehicle is deposited
Storage.Moreover, car information acquisition unit 32 will become the car information C (for example, playing No. 10 vehicle in the past) of the vehicle body 2 of control object
It is exported to aftermentioned arithmetic unit 33.In addition, car information acquisition unit 32 is not limited to above-mentioned structure, it can also be from for example
Car information is obtained outside other vehicles etc..
Arithmetic unit 33 such as being constituted by microcomputer, constitute sideway center is corrected or to by
The corrected correction unit of the value that compound sensor 10 detects.Compound sensor is connected in the input side of arithmetic unit 33
10, velocity sensor 11, car information acquisition unit 32.In addition, arithmetic unit 33 outlet side be connected be clipped on vehicle body 2 with
Buffer 8 between bogie 3.Moreover, arithmetic unit 33 has sideway center correction unit 34 and measured value correction unit 35.
Sideway center correction unit 34 according to exported from velocity sensor 11 travel speed V3, direction of travel F, R, with
And the car information C exported from car information acquisition unit 32, to the center of the whirling vibration of vehicle body 2, i.e. sideway centre bit
It sets and is corrected.Sideway center correction unit 34 is connected with velocity sensor 11 and car information acquisition unit in its input side
32, aftermentioned measured value correction unit 35 is connected in outlet side.Here, in the marshalling vehicle for being linked with multiple vehicles,
It is gone after direction of travel to square vehicle, yaw vibration is bigger, and the vibration of the rear side of vehicle body 2 is bigger.
Therefore, sideway center correction unit 34 is based on the travel speed V3 and traveling side detected by velocity sensor 11
Value to F (or R) and the car information C from the acquirement of car information acquisition unit 32, calculate sideway center from vehicle body
2 position of centre of gravity deviates from any degree, and carries out the correction of sideway center.Specifically, for example in arithmetic unit 33
Storage unit (not shown) in, can will be based on the travel speed of rail truck 1 and traveling side (experimentally) found out in advance
To and car information sideway center relational mapping and store.Moreover, sideway center correction unit 34 is logical
It crosses based on the travel speed V3 detected by velocity sensor 11 and direction of travel F equivalence and car information C and is reflected referring to this
It penetrates, the sideway center Ox2 after correction can be calculated.
In addition, as other methods, can also be stored in the storage unit of arithmetic unit 33 each to what is experimentally found out
The arithmetic expression that the sideway center of each of compartment is calculated.In this case, sideway center correction unit 34 is logical
The travel speed V3 that will be detected by velocity sensor 11 is crossed to examine with the substitution of direction of travel F equivalence with by car information acquisition unit 32
The corresponding arithmetic expression of car information C measured, can calculate sideway center.Moreover, by sideway center correction unit
Sideway center Ox2 after 34 corrections is exported to measured value correction unit 35.
Measured value correction unit 35 as left and right acceleration detection value correction unit is based on sideway center Ox2, to by multiple
The value that sensor 10 detects is closed to be corrected.Compound sensor 10 and sideway are connected in the input side of measured value correction unit 35
Center correction unit 34.Moreover, measured value correction unit 35 is based in the sideway after being corrected by sideway center correction unit 34
The left and right acceleration aL4 detected by compound sensor 10 is corrected into sideway center or so acceleration by heart position Ox2
aL5.Specifically, measured value correction unit 35 according to sideway center Ox2 be equipped with first point of compound sensor 10 it
Between distance, the left and right acceleration aL5 left and right acceleration aL4 at the first point being corrected at the Ox2 of sideway center.
Then, it is tested the sideway center after magnitude correction unit 35 corrects or so acceleration aL5 and by composite sensing
The sensor position yaw velocity ω y3 that device 10 detects is exported to attenuation characteristic control unit 36.In attenuation characteristic control unit
In 36, based on left and right acceleration aL5 and yaw velocity ω y3, the target attenuation force and output order of each buffer 8 are calculated
Value.Then, target attenuation force of the arithmetic unit 33 based on calculated each buffer 8 supplies driving electricity to each buffer 8 respectively
Stream, so as to adjust the damping force of each buffer 8.Vehicle body 2 can reduce the vibration (swing) of left and right directions as a result,.
In this way, in the third embodiment, can also obtain the effect being the same as the above first embodiment, effect.It is special
It is not that in the third embodiment, travel speed V3, direction of travel F, R and car information C based on rail truck 1 are carried out
The correction (calculating) of sideway center Ox2.Even if change marshalling is without change sideway center correction unit 34 as a result,
Mapping, the corrected values such as left and right acceleration aL4 are changed when there is no need to change marshalling every time, can be reduced along with volume
The working hour of the corrected value change of group change.
Next, Fig. 6 shows the 4th embodiment of the invention.4th embodiment is characterized in that, in addition to railway
Except the travel speed and direction of travel of vehicle, the also pitching center of the balance correction based on vehicle body.In addition, real the 4th
It applies in mode, same reference numerals is marked to the constituent element being the same as the above first embodiment, and the description thereof will be omitted.
Control device 41 controls the attenuation characteristic of each buffer 8.That is, control device 41 controls the vibration of vehicle body 2, delay with each
It rushes device 8 and together forms vehicle damper.Moreover, control device 41 is made of compound sensor 10 and arithmetic unit 43.
Air spring pressure sensor 42 examines the pressure for the air spring 7 being set between vehicle body 2 and bogie 3
It surveys, constitutes spring pressure detection unit.Air spring 7 is respectively provided with 2 in the left and right sides of each bogie 3 respectively, in railway
Amount to there are four setting in 1 entirety of vehicle.Moreover, air spring pressure sensor 42 is respectively to the pressure of this four air springs 7
(P1~P4) is detected.
In this case, according to the detected value of air spring pressure sensor 42, the passenger point in each vehicle body 2 can be learnt
Cloth (state by bus).That is, the value of the pressure (P1, P2) of 2 air springs 7 for example on front side of the direction of travel of vehicle body 2 is big
If, then it can be judged as that the mode on front side of direction of travel of the passenger to be biased to vehicle body 2 is ridden.Then, by air spring pressure
The air spring pressure (P1~P4) that sensor 42 detects is exported to aftermentioned arithmetic unit 43.
Arithmetic unit 43 such as being constituted by microcomputer, constitute pitching center is corrected or to by
The corrected correction unit of the value that compound sensor 10 detects.Compound sensor is connected in the input side of arithmetic unit 43
10, velocity sensor 11, air spring pressure sensor 42.In addition, the outlet side in arithmetic unit 43 is connected with and is clipped on vehicle
Buffer 8 between body 2 and bogie 3.Moreover, there is arithmetic unit 43 pitching center correction unit 44 and measured value to correct
Portion 45.
Pitching center correction unit 44 according to the detection of velocity sensor 11 and air spring pressure sensor 42 or
Calculated result is corrected the center of the whirling vibration of vehicle body 2, i.e. pitching center.The correction of pitching center
Portion 44 is connected with velocity sensor 11 and air spring pressure sensor 42 in its input side, is connected with aftermentioned survey in outlet side
Magnitude correction unit 45.Here, in the case where such as on front side of the direction of travel that passenger is biased to vehicle body 2, the weight of the front side of vehicle body 2
Increase.Therefore, the front side of vehicle body 2 is more difficult to swing than the rear side of vehicle body 2.That is, the weight of the front side of vehicle body 2 increases, pitching
Center changes than the position of centre of gravity of vehicle body 2 to front side.
Therefore, pitching center correction unit 44 is based on the travel speed V4 and traveling side detected by velocity sensor 11
Value to F (or R) and the air spring pressure (P1~P4) that is detected by air spring pressure sensor 42, calculate
Any degree deviated from from the position of centre of gravity of vehicle body 2 for pitching center, carries out the correction of pitching center.Specifically,
Such as in the storage unit (not shown) of arithmetic unit 43, it can will be based on the rail truck 1 (experimentally) found out in advance
The relational mapping of travel speed and the pitching center of the pressure of direction of travel and each air spring 7 simultaneously stores.And
And pitching center correction unit 44 passes through based on the travel speed V4 and direction of travel F etc. detected by velocity sensor 11
Value and air spring pressure (P1~P4) and referring to the mapping, pitching center Ox3 can be calculated.
In addition, as other methods, can also store in the storage unit of arithmetic unit 43 can be to experimentally finding out
The arithmetic expression that is calculated of pitching center.In this case, pitching center correction unit 44 by speed by that will be passed
The travel speed V4 and direction of travel F that sensor 11 detects are equivalent and air spring pressure (P1~P4) substitutes into the arithmetic expression,
Pitching center can be calculated.Moreover, by pitching center correction unit 44 correct after pitching center Ox3 by
Measured value correction unit 45 exports.
Measured value correction unit 45 as upper and lower acceleration detection value correction unit is based on pitching center Ox3, to by multiple
The value that sensor 10 detects is closed to be corrected.Compound sensor 10 and pitching are connected in the input side of measured value correction unit 45
Center correction unit 44.Moreover, measured value correction unit 45 is based in the pitching after being corrected by pitching center correction unit 44
The aV1 of acceleration up and down detected by compound sensor 10 is corrected into pitching center or more acceleration by heart position Ox3
aV2.Specifically, measured value correction unit 45 according to pitching center Ox3 be equipped with first point of compound sensor 10 it
Between distance, the acceleration aV2 up and down aV1 of acceleration up and down at the first point being corrected at the Ox3 of pitching center.
Then, it is tested the pitching center after magnitude correction unit 45 corrects or more acceleration aV2 and by composite sensing
The sensor position rate of pitch ω p1 that device 10 detects is exported to attenuation characteristic control unit 46.In attenuation characteristic control unit
In 46, based on upper and lower acceleration aV2 and rate of pitch ω p1, the target attenuation force and output order of each buffer 8 are calculated
Value.Then, target attenuation force of the arithmetic unit 43 based on calculated each buffer 8 supplies driving electricity to each buffer 8 respectively
Stream, so as to adjust the damping force of each buffer 8.The vibration (swing) of the up and down direction of vehicle body 2 is reduced as a result,.
In this way, being installed on the arithmetic unit 43 of vehicle body 2 based on the travel speed of rail truck 1 according to the 4th embodiment
V4 and direction of travel F, R and air spring pressure (P1~P4), can calculate pitching center Ox3.Then, operation
Device 43 based on vehicle body 2 it is arbitrary first point installation compound sensor 10 between the Ox3 of pitching center at a distance from,
Can by the first point the aV1 of acceleration up and down and rate of pitch ω p1 be corrected at the Ox3 of pitching center up and down
Acceleration aV2.
Even if the travel speed V4 of rail truck 1 increases as a result, or the Passenger's distribution of vehicle body 2 is different, lead to pitching center
Position changes from the position of centre of gravity of vehicle body 2, also can be with the feelings of the pitching center Ox3 installation compound sensor 10 in variation
Condition is equivalent.Therefore, the movement of the up and down direction of vehicle body 2 can be accurately detected using a compound sensor 10, therefore
The compound sensor 10 for being able to use a small number of (such as one) suitably controls the attenuation characteristic of buffer 8, can reduce cost.
In addition to this, it can be improved the installation freedom degree of the compound sensor 10 in vehicle body 2.
In addition, in the above-described first embodiment, with arithmetic unit 12 to being set between vehicle body 2 and bogie 3 and generate
The buffer 8 for the damping force for keeping the vibration of up and down direction reduced is illustrated in case where being controlled.But it is of the invention
Be not limited thereto, such as variation that can also be as shown in Figure 7 is such, arithmetic unit 51 to be set to bogie 3 and wheel 4 it
Between axis buffer 52, the sideway buffer 53 between vehicle body 2 and bogie 3, between the vehicle body between adjacent vehicle body 2
The various buffers that sideway buffer 54 etc. are set to rail truck 1 are controlled.This is also for the second~the 4th embodiment
It is identical.
In addition, in the above-described first embodiment, to use 6 axle sensors as in case where compound sensor 106
It is illustrated.But the present invention is not limited thereto, also can be used and is for example capable of detecting when 3 axle accelerations or 3 shaft angles speed
3 axle sensors of degree are as compound sensor.This is also identical for the second~the 4th embodiment and variation.
In addition, in the above-described first embodiment, according to correction sideway center Ox1 and it is equipped with arithmetic unit 12
Left and right acceleration aL1 at first point is corrected into sideway center Ox1 by the distance between first point of compound sensor 10
It is illustrated in case where the left and right acceleration aL2 at place.But the present invention is not limited thereto, such as can also be based on
The sideway center for correcting the left and right acceleration and yaw velocity at the first point is corrected into position right above bogie
It sets, the left and right acceleration and yaw velocity of any positions such as buffer installation site.This is implemented for the second~the 4th
Mode and variation are also identical.
In addition, in the above-described first embodiment, being corrected with arithmetic unit 12 to sideway center and being based on this
It is illustrated in case where value correction left and right acceleration aL1 after correction.But the present invention is not limited thereto, such as
Can also be as shown in the 4th embodiment, arithmetic unit corrects pitching center, and is corrected based on the value after the correction
Lower acceleration.In addition, arithmetic unit can also correct sideway center and this two side of pitching center and control buffer.
This is also identical for second, third embodiment and variation.
In addition, in the above-described 4th embodiment, being corrected with arithmetic unit 43 to pitching center and being based on this
Value after correction is illustrated in case where correcting acceleration aV1 up and down.But the present invention is not limited thereto, such as
Sideway center can also be corrected by arithmetic unit, and correct based on the value after the correction as shown in the first embodiment
Left and right acceleration.In addition, arithmetic unit can also correct sideway center and this two side of pitching center and control buffering
Device.
More than, several embodiments of the invention is only illustrated, but those skilled in the art should be able to be easily understood that,
Premised on not to be detached from new enlightenment and advantage of the invention substantially and in embodiment illustrated, numerous variations can be added
Or it improves.Therefore, it joined this change or improved mode be also contained in technical scope of the invention.It can also be with
Arbitrarily combine above embodiment.
The application is excellent based on No. 2015-017902 opinion of Japanese Patent Application No. filed an application on January 30th, 2015
First weigh.By referring to by Japanese Patent Application No. 2015-017902 filed an application comprising on January 30th, 2015 say
Complete disclosure including bright book, claims, attached drawing and abstract, is introduced into the application as a whole.
Description of symbols
1 rail truck (vehicle)
2 vehicle bodies
3 bogies
8,52,53,54 buffers (power generation mechanism)
9,21,31,41 control device
10 compound sensors (vehicle body motion detection unit)
11 velocity sensors (travel speed detection unit)
12,22,33,43,51 arithmetic units (correction unit)
13,34 sideway center correction unit
14,35 measured value correction units (left and right acceleration detection value correction unit)
44 pitching center correction units
45 measured value correction units (upper and lower acceleration detection value correction unit)
Claims (8)
1. a kind of vehicle damper, by partially constituting as follows:
Power generation mechanism is set to the vehicle with vehicle body and bogie, and makes generation power variation according to from external instruction；
Control device controls above-mentioned generation power；
The vehicle damper is characterized in that,
The travel speed detection that above-mentioned vehicle damper is also equipped with the travel speed for being able to detect or calculating above-mentioned vehicle is single
Member,
Above-mentioned control device includes
Vehicle body motion detection unit is installed on any position of above-mentioned vehicle body, and thus, it is possible to detect sideway and/or pitching；
Unit is corrected, according to the detection or calculated result of above-mentioned travel speed detection unit, is shaken to the rotation of above-mentioned vehicle body
Dynamic center is corrected, and is carried out based on above-mentioned center to the value detected by above-mentioned vehicle body motion detection unit
Correction.
2. vehicle damper according to claim 1, which is characterized in that
Above-mentioned vehicle body motion detection unit is installed on first point set in any position of vehicle body.
3. vehicle damper according to claim 1, which is characterized in that
Above-mentioned correction unit includes
Sideway center correction unit, according to the detection or calculated result of above-mentioned travel speed detection unit, in sideway
Heart position is corrected；
Left and right acceleration detection value correction unit, based on by the sideway centre bit after the correction of above-mentioned sideway center correction unit
It sets, the detected value of the left and right acceleration detected by above-mentioned vehicle body motion detection unit is corrected.
4. vehicle damper according to claim 2, which is characterized in that
Above-mentioned correction unit includes
Sideway center correction unit, according to the detection or calculated result of above-mentioned travel speed detection unit, in sideway
Heart position is corrected；
Left and right acceleration detection value correction unit, based on by the sideway centre bit after the correction of above-mentioned sideway center correction unit
It sets, the detected value of the left and right acceleration detected by above-mentioned vehicle body motion detection unit is corrected.
5. vehicle damper according to any one of claim 1 to 3, which is characterized in that
Above-mentioned correction unit includes
Pitching center correction unit, according to the detection or calculated result of above-mentioned travel speed detection unit, in pitching
Heart position is corrected；
Upper and lower acceleration detection value correction unit, based on by the pitching centre bit after the correction of above-mentioned pitching center correction unit
It sets, the value of acceleration detection up and down detected by above-mentioned vehicle body motion detection unit is corrected.
6. vehicle damper according to claim 4, which is characterized in that
Above-mentioned correction unit includes
Pitching center correction unit, according to the detection or calculated result of above-mentioned travel speed detection unit, in pitching
Heart position is corrected；
Upper and lower acceleration detection value correction unit, based on by the pitching centre bit after the correction of above-mentioned pitching center correction unit
It sets, the value of acceleration detection up and down detected by above-mentioned vehicle body motion detection unit is corrected.
7. a kind of vehicle damper, by partially constituting as follows:
Power generation mechanism is set to the vehicle with vehicle body and bogie, and makes generation power variation according to from external instruction；
Control device controls above-mentioned generation power；
The vehicle damper is characterized in that,
The travel speed detection that above-mentioned vehicle damper is also equipped with the travel speed for being able to detect or calculating above-mentioned vehicle is single
Member,
Above-mentioned control device includes
Vehicle body motion detection unit is installed on any position of above-mentioned vehicle body, and thus, it is possible to detect sideway and/or pitching；
Unit is corrected, according to the detection or calculated result of above-mentioned travel speed detection unit, is shaken to the rotation of above-mentioned vehicle body
Dynamic center is corrected；
Based on the center by the above-mentioned whirling vibration after the correction of above-mentioned correction unit and by above-mentioned vehicle body motion detection list
The value that member detects controls above-mentioned generation power.
8. vehicle damper according to claim 7, which is characterized in that
Above-mentioned vehicle body motion detection unit is installed on first point set in any position of vehicle body.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-017902 | 2015-01-30 | ||
| JP2015017902 | 2015-01-30 | ||
| PCT/JP2016/052599 WO2016121905A1 (en) | 2015-01-30 | 2016-01-29 | Vehicle damping apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107207017A CN107207017A (en) | 2017-09-26 |
| CN107207017B true CN107207017B (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680006663.1A Active CN107207017B (en) | 2015-01-30 | 2016-01-29 | Vehicle damper |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3251915A4 (en) |
| JP (1) | JP6474112B2 (en) |
| CN (1) | CN107207017B (en) |
| WO (1) | WO2016121905A1 (en) |
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|---|---|---|---|---|
| WO2019065434A1 (en) * | 2017-09-27 | 2019-04-04 | 日立オートモティブシステムズ株式会社 | Vibration control device for rolling stock |
| WO2020110846A1 (en) * | 2018-11-28 | 2020-06-04 | 日立オートモティブシステムズ株式会社 | Railway vehicle vibration suppressing device |
| CN112765728B (en) * | 2021-01-11 | 2022-03-29 | 四川轻化工大学 | Shimmy optimization control method for single-axle bogie straddle type monorail vehicle |
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| JP2013052698A (en) * | 2011-09-01 | 2013-03-21 | Railway Technical Research Institute | Vibration damping device, and vibration damping method |
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2016
- 2016-01-29 WO PCT/JP2016/052599 patent/WO2016121905A1/en active Application Filing
- 2016-01-29 EP EP16743508.0A patent/EP3251915A4/en active Pending
- 2016-01-29 CN CN201680006663.1A patent/CN107207017B/en active Active
- 2016-01-29 JP JP2016572166A patent/JP6474112B2/en active Active
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| PL163345B1 (en) * | 1988-10-13 | 1994-03-31 | Sig Schweiz Industrieges | Apparatus for and method of compansating superrelevation of high-speed vehicles in particular railway ones |
| EP0806334A1 (en) * | 1996-05-07 | 1997-11-12 | Gec Alsthom Transport Sa | Motorized bogie |
| CN1267611A (en) * | 1999-03-19 | 2000-09-27 | 萱场工业株式会社 | Shock absorber using using for transverse runout vibration absorption of stock and damping method |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6474112B2 (en) | 2019-02-27 |
| WO2016121905A1 (en) | 2016-08-04 |
| JPWO2016121905A1 (en) | 2017-10-05 |
| EP3251915A4 (en) | 2018-09-26 |
| EP3251915A1 (en) | 2017-12-06 |
| CN107207017A (en) | 2017-09-26 |
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